三方非时空的测量依赖性

IF 2.2 3区物理与天体物理 Q1 PHYSICS, MATHEMATICAL

Quantum Information Processing Pub Date : 2024-08-08 DOI:10.1007/s11128-024-04507-6

Sk Sahadat Hossain, Mostak Kamal Molla, Amit Kundu, Biswajit Paul, Indrani Chattopadhyay, Debasis Sarkar

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引用次数: 0

摘要

测量独立性假设对于在局部现实条件下推导贝尔不等式至关重要。对这些不等式的违反表明，必须在一定程度上放宽测量独立性假设，以获得局部现实模型。霍尔（Phys Rev Lett 105:250404, 2010）和弗里德曼（Phys Rev A 99:012121, 2019）已经研究了需要在多大程度上放宽这一假设才能实现对某些双向贝尔不等式的违反。在本文中，我们研究了模拟违反各种已知三方贝尔不等式所需的最小松弛度。我们还提供了实现这些违反的局部确定性模型。

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Measurement dependence in tripartite non-locality

The assumption of measurement independence is essential for the derivation of Bell’s inequalities under local, realistic conditions. Violations of these inequalities indicate that the assumption of measurement independence must be relaxed to some extent in order to obtain locally realistic models. The extent to which this assumption needs to be relaxed to achieve violations of certain bipartite Bell inequalities has been studied in Hall (Phys Rev Lett 105:250404, 2010) and Friedman (Phys Rev A 99:012121, 2019). In this paper, we investigate the minimal degree of relaxation required to simulate violations of various known tripartite Bell inequalities. We also provide local deterministic models that achieve these violations.

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来源期刊

Quantum Information Processing 物理-物理：数学物理

CiteScore

4.10

自引率

20.00%

发文量

337

审稿时长

4.5 months

期刊介绍： Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.